sim.arch
Class NullArchitecture

java.lang.Object
  sim.arch.Architecture
      sim.arch.NullArchitecture

public class NullArchitecture
extends Architecture

An architecture that doesn't support exceptions, the MIPS coprocessors, or most anything else.

Field Summary

Fields inherited from class sim.arch.Architecture

ARCH_CLASSIC, ARCH_NULL, ARCH_SIMPLE, machine

Constructor Summary

NullArchitecture(DebuggableMachine mach)

Method Summary

void	dumpState(java.io.PrintStream out)
void	initialize()
void	raiseException(int type)
PhysicalAddress	readMemBase()
int	readMemLength()
void	rfe()
java.lang.String	shortState()
PhysicalAddress	translateAddress(VirtualAddress vaddr)
int	type() Returns one of the architecture types defined as static final int's.
boolean	userMode()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NullArchitecture

public NullArchitecture(DebuggableMachine mach)

Method Detail

initialize

public void initialize()

Specified by:

initialize in class Architecture

dumpState

public void dumpState(java.io.PrintStream out)

Specified by:

dumpState in class Architecture

shortState

public java.lang.String shortState()

Specified by:

shortState in class Architecture

raiseException

public void raiseException(int type)
                    throws DebuggableMachineException

Specified by:

raiseException in class Architecture

Throws:

DebuggableMachineException

rfe

public void rfe()
         throws DebuggableMachineException

Specified by:

rfe in class Architecture

Throws:

DebuggableMachineException

userMode

public boolean userMode()

Specified by:

userMode in class Architecture

readMemBase

public PhysicalAddress readMemBase()

Specified by:

readMemBase in class Architecture

readMemLength

public int readMemLength()

Specified by:

readMemLength in class Architecture

translateAddress

public PhysicalAddress translateAddress(VirtualAddress vaddr)
                                 throws DebuggableMachineException

Throws:

DebuggableMachineException

type

public int type()

Description copied from class: Architecture

Returns one of the architecture types defined as static final int's.

Specified by:

type in class Architecture